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1. OUTLINE 1.1 STRUCTURE AND PRINCIPLE Color LCD module NL10276BC24-21 is composed of the amorphous silicon thin film transistor liquid crystal display (a-Si TFT LCD) panel structure with driver LSIs for driving the TFT (Thin Film Transistor) array and a backlight.
NL10276BC24-21 4.3 ELECTRICAL CHARACTERISTICS 4.3.1 LCD panel signal processing board (Ta= 25°C) Parameter Symbol min. typ. max. Unit Remarks Power supply voltage Power supply current at VCC= 3.3V Note1 Note2 Permissible ripple voltage mVp-p for VCC High +100 Differential input threshold at VCM= 1.2V...
NL10276BC24-21 4.3.2 Backlight lamp (Ta= 25°C, Note1, Note2) Parameter Symbol min. typ. max. Unit Remarks Forward current 50.0 55.0 Ta= +25°C 15.9 18.0 20.4 at IL= 50 mA /One circuit Ta= +80°C 14.3 at IL= 50 mA /One circuit Forward Voltage Ta= -30°C...
NL10276BC24-21 4.4 POWER SUPPLY VOLTAGE SEQUENCE 4.4.1 LCD panel signal processing board 3.0V Note1 0.3V 10μs ≤ Tr < 50ms Toff ≥ 50ms Display signals* Function signals Note2 VALID period 0ms < t < 35ms 0ms < t < 35ms * These signals should be measured at the terminal of 100Ω...
NL10276BC24-21 (3) Input data signal: 6bit CLK+/- 1CLK D0+/- D1+/- D2+/- 4.6 DISPLAY COLORS AND INPUT DATA SIGNALS 4.6.1 Combinations of input data signals, FRC and MSL signal This product can display 16,777,216 colors equivalent with 256 gray scales and 262,144 colors with 64 gray scales by combination of input data signals, FRC and MSL signal.
NL10276BC24-21 4.6.2 16,777,216 colors This product can display 16,777,216 colors equivalent with 256 gray scales by combination ① or ②. (See "4.6.1 Combinations of input data signals, FRC and MSL signal".) Also the relation between display colors and input data signals is as follows.
NL10276BC24-21 4.6.3 262,144 colors This product can display 262,144 colors with 64 gray scales by combination ③. (See "4.6.1 Combinations of input data signals, FRC and MSL signal ".) Also the relation between display colors and input data signals is as follows.
NL10276BC24-21 4.9 INPUT SIGNAL TIMINGS 4.9.1 Outline of input signal timings • Horizontal signal Note1 Horizontal display period (thd) DE (Data enable) Display period • Vertical signal Note1 Vertical display period (tvd) DE (Data enable) Note2 Display period Note1: This diagram indicates virtual signal for set up to timing.
NL10276BC24-21 4.9.2 Timing characteristics (Note1, Note2, Note3) Parameter Symbol min. typ. max. Unit Remarks Frequency 1/tc 60.0 65.0 68.0 15.385ns (typ.) Duty Rise time, Fall time Setup time CLK-DATA DATA Hold time Rise time, Fall time μs 19.67 20.676 22.4 48.363kHz (typ.)
NL10276BC24-21 4.10.2 Definition of contrast ratio The contrast ratio is calculated by using the following formula. Luminance of white screen Contrast ratio (CR) = Luminance of black screen 4.10.3 Definition of luminance uniformity The luminance uniformity is calculated by using following formula.
NL10276BC24-21 5. ESTIMATED LUMINANCE LIFETIME The luminance lifetime is the time from initial luminance to half-luminance. This lifetime is the estimated value, and is not guarantee value. Estimated luminance lifetime Condition (Life time expectancy) Unit Note1, Note2, Note3 25°C (Ambient temperature of the product)
NL10276BC24-21 6. RELIABILITY TESTS Test item Condition Judgment Note1 ① 60 ± 2°C, RH= 90%, 240hours High temperature and humidity ② Display data is black. (Operation) ① 80 ± 3°C, 240hours High temperature ② Display data is black. (Operation) ① -30 ± 3°C…1hour 80 ±...
NL10276BC24-21 7. PRECAUTIONS 7.1 MEANING OF CAUTION SIGNS The following caution signs have very important meaning. Be sure to read "7.2 CAUTIONS" and "7.3 ATTENTIONS"! This sign has the meaning that a customer will be injured or the product will sustain damage if the customer practices wrong operations.
④ Pack the product with the original shipping package, in order to avoid any damages during transportation, when returning the product to NEC for repairing and so on. ⑤ The information of China RoHS directive six hazardous substances or elements in this product is as follows.